Improvement in cotton-gins



front-the rear side of the machine.,

EDVARD GOTTHEL, OF GALVESTON, TEXAS;

MPROVEEMENT IN COTTON- oma Specification forming part ofLettcrs Patent No. 23,679, dated April lil, 1859.

.To all whom, it may concern:

'Be it knownthat 1 EDWD. GOTTHEIL, of Galveston, in the county' of Galveston and State of rlexas, hve inventeda new and useful Improvement in Cotton-Gnus; and -I do hereby declare that the following is a full clear, and exact'description thereof, reference being` had to the accompanying' drawings, through'letters of reference marked thereon, forming part of this specification, in whichlFigure 1 represents a front elevation of my inachine5hig. 2, a side elevation; Fig. 3, atop View or plan, and Fig. 4:' a vertical section taken on the linea x' of Figs. -l and 3.

My invention has reference to that class of cotton-gms used for ginning the long staple or Sea llslandcotton, and wherebythe cotton Iis ginned without injury to the staple, and the lint is freed from metes and all other impurities. l

tion, I will proceed to describe its construction and operation.

A A represent two .uprights of the 'framingI of suitable' form and construction to support all the working' parts ofthe machine, which consists of a pair of polished steel rollers, b, one above the other, in close proximity,whichl are geared together by a pair of small spurwheels at one end, by which they are rotated .With equal velocity'a `Jabove and below these rollers are guards or dividingplates c, to pre-- lvent any blast or current of air passing through 0n the lrear side'of these rollers, parallelwith them and one above the other, are two cylindrical brush-rollers, d, so arranged that the upper one brushes the upper roller, and the other the lower one, while the brushes of each,when revolving, interlock between those of the other. The upper brush-roller is somewhat larger than the lower one, lconsequently its periph(- ery travels at a greatervelocity, revolving'in thelmdirection indicated by the arrows, and while they clean theI rollers b they also receive the 'lint that passes between them, andthe upper eine, by the increased velocity of its periphery, gathers it off the lower one, and carries to the comb e, whence it is discharged over the incline f into a receiver by the action -of a blast of air issuing from the tube z above and below said combb These hollow brush- To enable others tomalre and use'my invencylinders rotate on a short tubnlarjonrnal, r,

made stationary in the frame A, one end of. `which enters the cylinder on which the brushes axle also is a band-wheel, s, by which the' whole machinery is driven.

The endless belt table or apron G consists of a series of straps or webbing encompassing the rollers h and. z, and is putin motion by a cord or strap around the plleys h and-i'. On this apron is spread the cotton to be ginned, and y by ,which it is `conveyed toward the rollers onto. a wire bed or grating, la, which is supported at its upper end in slots in the frame A, and at its lowerl end on two eccentrics, t, one on 'eachcnd'of the cam-shaft u., which ro'- tatesin the c'appedends of the arms '12, and which communicates to this bed k a motion to and from the rollers b, its 'upper edge sliding in the-slot in the frame, also a rising and fall-v ing of the lower edge, which assists infeeding in the ber andfreeing the seed therefrom. Above'this wire bed isarranged a tube, Z, supported .in adjustable bearings a, and having a slot or series of holes along one side; through lwhicha blast of air is made to issue in such direction that it drives the cotton forward to..

the rollers. -The fibrous portion being introduced by'it between them, is drawn in and the -seed forced off. It being too large to be held by the rollers -is loosed from the liberv bythe vibrating comb m, which is operated by a cam, w, on the shaft u, rotated by a spur-wheel, m, gearing-into one on the end of the upper roller, b, and the seed drops through o n'to the chute n and thence to a' receiver beneath, while the revolving cylindrical brushes d take the lint from the other side of the rollers, as before described. rlhese brush cylinders or rollers each consist of a series of two or more longitudinal brushes (usually four) .mounted on a hollow cylinder or tube, which is slotted l0ngitudinally towithin about an inch of each end 'between each row of the brushes, which are set a little distance apart, the spaces between said brushes corresponding with and f lint passesfrom the 'rollers b to forming eontinuations of the slots in the tube on which they are mounted, and are held together in this position by a narrow banddriven onto each end, so that when necessary these bands may be driven back and the brushes removed to be cleaned or renewed.

During the operation of ginning, while the the brush-cylinders d, and thence to the comb e, it is subjected to a continuous and powerful blast issuing from the slots between the brushes, which removes all the metes and other. impurities from, the fiber, and discharges them through the wire grating q in their rear, so that when 'the lint is blown from the combeinto, the receiver it is thoroughly cleaned as wellas ginned. The blast for these purposes is ob tained from afan, o, or other suitable device erected in a convenient position contiguous to the machine, and is conducted to the several parts through flexible or other tubes, p p.

The advantages of this gin over all others are, rst, in the regularity of the feed. The material -being kept up to the rollers by a blast of air is more regularly supplied than it. could` manner in which the cotton is taken by the brushrollers when drawn from the seed; and, thirdly, in the perfect manner in which it is freed from motes and other impurities by the blast from the brush-rollers, thus performing the operations of ginning and cleaning by the same machine at one and the same time.

Having thus fully 'described my machine, whatI claim therein as new, and desire to secure by Letters Patent, isf 1. The method of feeding the cotton bolls to the rollers b by means of a blast issuing from Y a slotted' or perforated tube or its equivalent,

substantially as herein set forth.

2. I do notfclaim vcreating a blast of air to issue from the periphery of the brush-cylinders by means ofwings Within them by'their own velocity, but I claim the arrangement of the two cylindrical brushes d, in combination with the rollers b,whe'n the former are so constructed that a blast' from an independent source may be forced through slots or perforations in their peripheries, substantially as and for the purposes set forth.

3. The comb e, in combination with the blastpipe z for gatheringthe lint ofi' the' upper brush-roller and discharging it into its receptacle in the manner set forth.

In testimony whereof I have hereunto set my hand, before two subscribing witnesses, this 26th day of March, A. D. 1859.

EDVARD. GQTTHEI-L.

Witnesses:

H. M. SMITH, WM. M. SMITH. 

